Development and validation of a CT-texture analysis nomogram for preoperatively differentiating thymic epithelial tumor histologic subtypes

Table 1 Clinical and demographic characteristics of TET patients

Characteristics	Training cohort		p-value	Validation cohort		p-value
Characteristics	LTET (n = 61)	HTET (n = 59)	p-value	LTET (n = 26)	HTET (n = 26)	p-value
Sex (%)
Male	28 (45.90%)	38 (64.41%)	0.04	11 (42.31%)	18 (69.23%)	0.03
Female	33 (54.10%)	21 (35.59%)	0.04	15 (57.69%)	8 (30.77%)	0.03
Age (mean ± SD, years)	56.44 ± 9.48	51.76 ± 12.08	0.02	56.50 ± 8.30	54.53 ± 11.02	0.04
Symptom (%)
+	25 (40.98%)	30 (50.85%)	0.28	12 (46.15%)	16 (61.54%)	0.57
-	36 (59.02%)	29 (49.15%)	0.28	14 (53.85%)	10 (38.46%)	0.57

Note: LTET low-risk thymic epithelial tumor, HTET, high-risk TET; SD standard deviation; p-values were the results of univariable association analyses of each characteristic

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